Comprehension Passage
Directions: Study the following data and answer the following questions:
A and B bought some books and notebooks. The price of a book and a notebook is Rs.70 and Rs.40 respectively. The number of notebooks A have is 20 less than the number of notebooks B have. The ratio between the number of notebooks and books B have is 9 : 11. A has 10 more notebooks than books. The total books bought by two is 170.
The notebooks bought by both is approximately what percent of total books and notebooks bought by two?
1
44%
2
51%
3
48%
4
50%